Abm Internal - Jeep KJ Liberty 2005 Service Manual

BRAKES (25E)
Symptom:

ABM INTERNAL

When Monitored and Set Condition:
ABM INTERNAL
When Monitored: Ignition On - Continuously
Set Condition: When one of two internal CPUs, fails the programmed self test within the
ABM.
INTERMITTENT DTC
DAMAGED ABM/ABM HARNESS CONNECTOR
FUSED RUN RELAY OUTPUT CIRCUIT OPEN
ABS VALVE FUSED B(+) CIRCUIT OPEN
ABS PUMP FUSED B(+) CIRCUIT OPEN
ABM - GROUND CIRCUIT OPEN
ABM - INTERNAL FAULT
TEST
1 Turn the ignition on.
With the DRBIII , read DTCs.
With the DRBIII , erase DTCs.
Turn the ignition off.
Turn the ignition on.
With the DRBIII , read DTCs.
Does the DRBIII display ABM INTERNAL?
Yes → Go To 2
→ Go To 7
No
2 Turn the ignition off.
Disconnect the ABM harness connector.
Inspect the ABM/ABM harness connector for damage.
Is there any broken, bent, pushed out, corroded or spread terminals?
Yes → Repair as necessary.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
Perform ABS VERIFICATION TEST - VER 1.
10
APPLICABILITY
All
All